Musings on “Composable Infrastructure”

This tweet (http://bit.ly/1NZJxUQ) from @CiscoServerGeek referenced a Cisco blog post on “Composable Infrastructure”.  While the concept has the usual “independent market analyst” marketing wrappings to it, the technology implications are actually very intriguing — at least to me.  Plus, he...

4 minute read

Fedora 23 - Adding local CA to system-wide CA bundles

I had the occasion to start trying out Fedora 23 and wanted to register my own Certificate Authority certificate system-wide.  The root cause - my YUM repository was SSL-protected with a untrusted CA certificate.  The  dnf  command produced the following...

3 minute read

Cisco Live 2015 - My Recap

Alas, Cisco Live has come and gone, with San Diego off in the distance with much milder weather than the humidity I’m living in now. There are several (more notable) blogs out there who have weighed in on their #CLUS...

4 minute read

Supporting ChromeBook VPN with Cisco ASAs

The ChromeBook is an interesting piece of technology that works extremely well (IMHO) in organizations which are medium to heavy adopters of Google Apps.  The integration of the apps within the device is darn near seamless and working offline is...

5 minute read

The perils of the 2.2(3b) to 2.2(4b) UCS upgrade...

In short, you want to work with your account team’s sales engineer to secure you a great TAC engineer prior to upgrading. You may not have the issue we did but you will be very thankful to have TAC locked...

4 minute read

Cisco Nexus 1110 Appliance Overview

Today we are going to discuss one possible method for deploying the Cisco Nexus 1000V Virtual Supervisor Module (VSM) software appliance.  If you aren’t familiar with the Nexus 1000V or its components, you should take a look at the official...

5 minute read

Cisco Nexus 1000V Distributed Virtual Switch

Another Nexus 1000V blog post?  Yes.  However, the focus of my contribution to the subject is bridging the conceptual divide that exists for traditional network engineers, to provide an intuitive understanding of what is going on, and to help them...

5 minute read

Learning opportunities - Conferences (#CLUS)

Most large technology vendors and disciplines have a showcase conference. Cisco is no different with Cisco Live. The real questions though are: why go to a conference about a particular set of products that is sponsored and run by the...

3 minute read